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Finding the Fourth Proportional to 563,761,330.20, 845,641,995.30 and 563,761,330.20

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Solution

The fourth proportional to 563,761,330.20, 845,641,995.30 and 563,761,330.20 is: 845,641,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,761,330.20 : 845,641,995.30 = 563,761,330.20 : x
  2. Step 2: Convert to fraction form
    563,761,330.20/845,641,995.30 = 563,761,330.20/x
  3. Step 3: Cross multiply
    563,761,330.20x = 845,641,995.30 × 563,761,330.20
  4. Step 4: Simplify right side
    563,761,330.20x = 476,740,256,143,310,144
  5. Step 5: Solve for x
    x = 476,740,256,143,310,144/563,761,330.20
  6. Step 6: Final answer
    x = 845,641,995.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.